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Help CenterShock Resistant Hardened Gear DBY400 Bevel Cylindrical Gear Reducer Rotary Kiln Supporting Reducer
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Welcome to Jiangsu Manqi Machinery Co., Ltd. — a professional manufacturer based in Suzhou, Jiangsu, China, established in 2017. Our factory covers 10,000–30,000 square meters, and we specialize in producing high-quality gear reducers for various heavy industries. Today we are proud to introduce our Shock Resistant Hardened Gear DBY400 Bevel Cylindrical Gear Reducer, a dedicated supporting reducer designed for rotary kiln systems. With hardened alloy steel gears and advanced shock-resistant construction, this reducer ensures reliable power transmission under extreme loads, making it an ideal choice for cement plants, metallurgy, and mining industries.
The DBY400 combines a bevel gear stage with a cylindrical gear stage to deliver high torque output in a compact footprint. Its hardened gear surfaces are engineered to withstand repeated impact and heavy shock loads, significantly extending service life. Whether your rotary kiln requires constant speed regulation or high starting torque, this reducer provides stable and efficient operation.
Key Features & Technical Specifications
- Hardened & Ground Gears: All gears are made from high-quality alloy steel, carburized and quenched to HRC 58–62, then precision ground for smooth meshing and low noise.
- Shock-Resistant Design: Reinforced housing and oversized bearings absorb sudden load variations, protecting internal components from damage.
- High Torque Density: The bevel-cylindrical configuration allows for high reduction ratios in a single unit, reducing the need for multiple stages.
- Sealed for Harsh Environments: IP55 protection rating with double lip seals prevents dust and moisture ingress, suitable for outdoor kiln areas.
- Flexible Mounting: Available in horizontal or vertical configurations with foot or flange mounting options.
- Easy Maintenance: Split housing design allows quick access to gears and bearings without full disassembly.
| Parameter | Specification |
|---|---|
| Model | DBY400 |
| Input Power Range | 10 kW – 500 kW (customizable) |
| Output Torque | Up to 200,000 Nm |
| Reduction Ratio | 10:1 – 500:1 |
| Gear Material | 20CrMnTi (Carburized & Quenched) |
| Housing Material | HT250 Gray Cast Iron / Ductile Iron |
| Lubrication | Oil splash / Forced circulation (optional) |
| Weight (approx.) | 1,200 kg (depends on configuration) |
Advantages for Your Rotary Kiln Application
- Reduced Downtime: The shock-resistant construction minimizes gear failure caused by kiln ring gear misalignment or thermal expansion.
- Energy Efficiency: Precision ground gears achieve over 95% transmission efficiency, lowering your power consumption.
- Long Service Life: Hardened gears and heavy-duty bearings deliver a design life of over 50,000 hours under normal conditions.
- Adaptable to Existing Systems: Available with custom input/output shaft dimensions and mounting holes to directly replace old reducers.
At Jiangsu Manqi Machinery, we understand the demands of continuous industrial processes. Our engineering team can tailor the DBY400 to your specific torque, speed, and environmental requirements. We have successfully supplied supporting reducers to clients in Eastern Europe, Southeast Asia, Africa, and South Asia, and we ship all orders through the Port of Shanghai with careful packaging to ensure safe arrival.
Why Choose Us? With a dedicated team of 11–50 experienced professionals and a modern factory spanning 10,000–30,000 square meters, we strictly control every step from raw material procurement to final assembly. Although our annual export value is currently under US$1 million, we are committed to continuous improvement and customer satisfaction. Each DBY400 reducer undergoes a 24-hour load test before shipment to guarantee performance. We offer prompt technical support and a competitive warranty policy.
If you are looking for a reliable, durable, and efficient supporting reducer for your rotary kiln, the DBY400 is your ideal solution. Contact us today for a quote or technical consultation. Let us help you optimize your kiln drive system!
Frequently Asked Questions (FAQ)
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Q: What is the maximum input speed for the DBY400?
A: The maximum input speed is typically 1500 RPM, but it can be adjusted based on the specific gear ratio and lubrication method. Please consult our technical team for your exact requirements. -
Q: Can this reducer be used for a kiln with high ambient temperature?
A: Yes, the DBY400 is designed with high-temperature seals and optional forced oil cooling to operate in ambient temperatures up to 60°C. For extreme conditions, we recommend additional cooling accessories. -
Q: What is the standard warranty period?
A: We offer a standard 12-month warranty from the date of shipment. Extended warranty options are available upon request. -
Q: Do you provide dimensional drawings and CAD models?
A: Yes, we provide 2D and 3D drawings in common formats (PDF, DWG, STEP) after order confirmation to facilitate your installation design. -
Q: Is the DBY400 compatible with existing rotary kiln drives from other manufacturers?
A: The DBY400 can be customized with different shaft diameters, keyway sizes, and mounting flanges to match most existing systems. Please provide your current reducer specifications for a compatibility check. -
Q: How long is the typical lead time?
A: Lead time is approximately 30–45 working days for standard configurations. Customized orders may take 45–60 working days depending on complexity. -
Q: What maintenance is required?
A: We recommend checking oil level and quality every 3 months, and replacing the oil every 6–12 months depending on operating conditions. Bearings should be inspected annually. A detailed maintenance manual is provided with each unit. -
Q: Do you offer installation and commissioning support?
A: We provide remote technical guidance and can arrange on-site support for large projects on a case-by-case basis. Additional service fees apply.
With the DBY400 Bevel Cylindrical Gear Reducer, you get a robust, shock-resistant solution backed by a manufacturer committed to quality. Partner with Jiangsu Manqi Machinery for your rotary kiln drive needs — contact us now to get started!
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